package com.atguigu.eduorder.service.impl;

import com.alibaba.fastjson.JSONObject;
import com.atguigu.commonutils.HttpClientUtils;
import com.atguigu.eduorder.entity.Order;
import com.atguigu.eduorder.entity.PayLog;
import com.atguigu.eduorder.mapper.PayLogMapper;
import com.atguigu.eduorder.service.OrderService;
import com.atguigu.eduorder.service.PayLogService;
import com.atguigu.servicebase.exception.BusinessException;
import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;
import com.github.wxpay.sdk.WXPayUtil;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.math.BigDecimal;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;
import java.util.concurrent.TimeUnit;


/**
 * <p>
 * 支付日志表 服务实现类
 * </p>
 *
 * @author panDengZhu
 * @since 2020-03-13
 */
@Service
public class PayLogServiceImpl extends ServiceImpl<PayLogMapper, PayLog> implements PayLogService {

    @Resource
    private OrderService orderService;

    @Resource
    private RedisTemplate redisTemplate;

    /**
     * 生成微信支付的二维码
     *
     * @param orderNo 订单号
     * @return
     */
    @Override
    public Map createNative(String orderNo) {

        try {
            //1.根据订单号查询订单信息
            QueryWrapper<Order> queryWrapper = new QueryWrapper<>();
            queryWrapper.eq("order_no", orderNo);
            Order order = orderService.getOne(queryWrapper);

            //使用map设置生成二维码需要参数
            Map m = new HashMap();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("nonce_str", WXPayUtil.generateNonceStr());
            m.put("body", order.getCourseTitle()); //课程标题
            m.put("out_trade_no", orderNo); //订单号
            m.put("total_fee", order.getTotalFee().multiply(new BigDecimal("100")).longValue() + "");
            m.put("spbill_create_ip", "127.0.0.1");
            m.put("notify_url", "http://guli.shop/api/order/weixinPay/weixinNotify\n");
            m.put("trade_type", "NATIVE");

            //3 发送httpclient请求，传递参数xml格式，微信支付提供的固定的地址
            HttpClientUtils client = new HttpClientUtils("https://api.mch.weixin.qq.com/pay/unifiedorder");
            //设置xml格式的参数
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            //执行post请求发送
            client.post();

            //4.得到发送请求返回结果
            //返回内容，使用xml格式返回
            String xml = client.getContent();

            //把xml格式转换为map集合，把map集合返回
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);

            //最终返回数据的封装
            Map map = new HashMap();
            map.put("out_trade_no", orderNo);
            map.put("course_id", order.getCourseId());
            map.put("total_fee", order.getTotalFee());
            map.put("result_code", resultMap.get("result_code"));  //返回二维码操作状态码
            map.put("code_url", resultMap.get("code_url"));        //二维码地址

            //微信支付二维码2小时过期，可采取2小时未支付取消订单
            //redisTemplate.opsForValue().set(orderNo, map, 120, TimeUnit.MINUTES);

            return map;

        } catch (Exception e) {
            throw new BusinessException(20001, "生成二维码失效");
        }
    }

    /**
     * 查询订单支付状态
     *
     * @param orderNo 订单号
     * @return
     */
    @Override
    public Map<String, String> queryPayStatus(String orderNo) {

        try {
            //1、封装参数
            Map m = new HashMap<>();
            m.put("appid", "wx74862e0dfcf69954");
            m.put("mch_id", "1558950191");
            m.put("out_trade_no", orderNo);
            m.put("nonce_str", WXPayUtil.generateNonceStr());

            //2 发送httpclient
            HttpClientUtils client = new HttpClientUtils("https://api.mch.weixin.qq.com/pay/orderquery");
            client.setXmlParam(WXPayUtil.generateSignedXml(m, "T6m9iK73b0kn9g5v426MKfHQH7X8rKwb"));
            client.setHttps(true);
            client.post();

            //3得到请求返回内容
            String xml = client.getContent();
            Map<String, String> resultMap = WXPayUtil.xmlToMap(xml);
            return resultMap;
        } catch (Exception e) {
            return null;
        }
    }

    /**
     * 添加支付记录和更新订单状态
     *
     * @param map
     */
    @Override
    public void updateOrdersStatus(Map<String, String> map) {

        //1.从map中获取订单号
        String orderNo = map.get("out_trade_no");
        //2.根据订单号查询订单信息
        QueryWrapper<Order> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("order_no", orderNo);
        Order order = orderService.getOne(queryWrapper);

        //3.更新订单表订单状态
        if (order.getStatus().intValue() == 1) {
            return;
        }
        order.setStatus(1);
        orderService.updateById(order);

        //4.向支付表添加支付记录
        PayLog payLog=new PayLog();
        payLog.setOrderNo(orderNo);//订单号
        payLog.setPayTime(new Date());//订单完成时间
        payLog.setTotalFee(order.getTotalFee());//总金额(分)
        payLog.setTransactionId(map.get("transaction_id"));//流水号
        payLog.setTradeState(map.get("trade_state"));//支付状态
        payLog.setPayType(1);//支付类型 1微信
        payLog.setAttr(JSONObject.toJSONString(map));//其他属性

        baseMapper.insert(payLog);
    }
}
